On this route in 2009, UNITED operated flights from SEA to ORD using 5 types of aircraft.

An interesting bit of trivia: Did you know that 674,935 seats were available on flights from SEA to ORD in 2009? Sitting in those seats, about 594,035 passengers flew on regular flights from SEA to ORD.

In 2009, the following group of quality airline carriers offer flights from Seattle, WA to Chicago, IL: UNITED, American Airlines, Alaska Airlines.

Based on FAA data, it only takes about 200 minutes to fly the shortest flight between SEA and ORD.

Did you know that the largest aircraft flying between Seattle and Chicago was flown by UNITED, and was the Boeing B747-4 with 347 seats.

(Source: FAA & BTS 2009 Databases)

Seattle to Chicago Flight Schedule

Scan through flights from Seattle-Tacoma International Airport (SEA) to O'Hare International Airport (ORD) for the upcoming week. Sort the list by any column, and click on a dollar sign to see the latest prices available for each flight.

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Seattle to Chicago Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Seattle to Chicago to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from SEA to ORD, we’ve got you covered here at Flights.com.

We present you with some of the hottest deals on airfare so stop that Google flights search. We want you to spend less on your flight from Seattle to Chicago, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.

Cheap SEA to ORD Tickets Calendar

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Frequently Traveled Flights from Seattle, Washington

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Popular Flights from Chicago, Illinois

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Airlines

Check out popular airlines servicing Seattle (SEA), and lock down the best fare for your upcoming travel plans. Flights.com makes it simple to find flights departing from Seattle-Tacoma International Airport across many airlines, so quit waiting and book your trip with us!